package com.runewbie.pafcmall.product.exception;

import com.runewbie.common.exception.BizCodeEnum;
import com.runewbie.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: li_jian
 * @version: 1.0
 * @date: 2020/5/2 16:13
 * @description： 统一异常处理
 * @RestControllerAdvice = @ResponseBody + @ControllerAdvice
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.runewbie.pafcmall.product.app")

@RestControllerAdvice(basePackages = "com.runewbie.pafcmall.product.app")
public class PafcmallControllerAdvice {

    /**
     * 匹配精确异常
     *
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型:{}", e.getMessage(), e.getClass());

        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((item) -> {
            // FieldError 获取到错误的提示
            String message = item.getDefaultMessage();
            // 获取错误的属性名
            String field = item.getField();
            errorMap.put(field, message);
        });

        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    /**
     * 处理最大异常
     *
     * @param throwable
     * @return
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误",throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }

}
